Archived posting to the Leica Users Group, 2006/02/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Oops - You may not be able to open the actual pixels image because it has a space in it - try: <http://www.adambridge.com/Photos/2006/02/01/_L3U8867-actual%20pixels.jpg> On 2/1/06, Adam Bridge <abridge@gmail.com> wrote: > Okay - The 1Ds MkII was sitting right beside me, the studio was damn > dark with light from an overcast sky coming through a sliding door > behind me and a window with a translucent shade pulled down. I shot > into the middle of the room. > > The 1Ds MkII was set at H (3200 ISO), 2 stop under exposure > compensation dial in. > > I opened the image in Camera Raw, did almost nothing to it, brought it > into Photoshop, resized it to 900 x 600 and saved it as a jpeg: > > <http://www.adambridge.com/Photos/2006/02/01/_L3U8867.jpg> > > Then I took the original photoshop image and cropped out the middle so > you can see a full-pixel rendering and saved it here: > > <http://www.adambridge.com/Photos/2006/02/01/_L3U8867-actual pixels.jpg> > > Remember - these are PURE files with no sharpening, noise reduction, nada. > > The effective ISO should be about 12,000. The room is quite dark. The > "glow" on the back wall by the window is not observable to the naked > eye. The wall appears with no light gradient at all - a constant > surface at least to my eye. > > You can look at the EXIF data and see exposure 1/30 s at f/2.8 (wide open). > > Maybe this isn't a fair test and I should do a portrait but my wife is > in a meeting and I was too lazy to set up a tripod. > > Adam > > > On 2/1/06, Frank Dernie <Frank.Dernie@btinternet.com> wrote: > > Talking of equivalent film speed has anybody tried the film trick of > > pushing 2 stops at the 800 asa setting and "correcting" exposure in > > the RAW convertor? > > Could work - may give it a try myself on my digital. > > Frank > > > > On 1 Feb, 2006, at 11:57, Nick Roberts wrote: > > > > > When UK's "Amateur Photographer" magazine reviewed the > > > DMR, they similarly bemoaned the limiting of the ISO > > > range because of the excellent capabilities of the > > > device, and were confident that it could cope not just > > > with 1600, but with 3200 and that it was thus an > > > opportunity missed. Now I know some people cannot > > > conceive of ever using such a speed (hello, Peter!), > > > but it's surely one of the huge advantages of digital > > > capture. Excellent quality at low settings, as > > > witnessed by Peter's shots, and the ability to get a > > > usable shot in pretty dark conditions with just a > > > simple adjustment. I'm sure Leica will address this in > > > future, but in the meantime, it's not the tool for > > > Ted. Which is a shame. > > > > > > Nick > > > > > > --- Douglas Herr <telyt@earthlink.net> wrote: > > > > > >> on 1/31/06 10:50 PM, Ted Grant at tedgrant@shaw.ca > > >> wrote: > > >> > > >>> For the moment there isn't a hope in hell I'd buy > > >> one to use on the type of > > >>> assignments I shoot, unless without question, the > > >> meter can be set at ASA > > >>> 1600 and 3200. And it produces better quality > > >> capture than my Leicanon 20D > > >>> at those ASA ratings. > > >> > > >> Ted, you might be interested in this thread on > > >> photo.net: > > >> > > >> > > > http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=00F5p6 > > >> > > >> No mention of 3200 but 1600 is described as a 'no > > >> brainer'. > > >> > > >> Doug Herr > > >> Birdman of Sacramento > > >> http://www.wildlightphoto.com > > >> > > >> > > >> > > >> _______________________________________________ > > >> Leica Users Group. > > >> See http://leica-users.org/mailman/listinfo/lug for > > >> more information > > >> > > > > > > > > > > > > > > > ___________________________________________________________ > > > To help you stay safe and secure online, we've developed the all > > > new Yahoo! Security Centre. http://uk.security.yahoo.com > > > > > > _______________________________________________ > > > Leica Users Group. > > > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > >